linux-kernel - Re: [PATCH] x86: Removed superfluous parentheses in macro defs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <4E8E6F68.9050104@zytor.com>
Date:	Thu, 06 Oct 2011 20:18:00 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Alex Ben <aleben358@...il.com>
CC:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <Mingo@...hat.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: Removed superfluous parentheses in macro defs

On 10/06/2011 03:22 PM, Alex Ben wrote:
> 1) make it consistent with other constant macro deinitions, which
> don't have parentheses, as they are really superfluous.

Superfluous, yes, but it makes the expression read more regular.

> diff --git a/arch/x86/include/asm/segment.h b/arch/x86/include/asm/segment.h
> index 5e64171..92621c1 100644
> --- a/arch/x86/include/asm/segment.h
> +++ b/arch/x86/include/asm/segment.h
> @@ -10,7 +10,7 @@
> 	 (((flags) & _AC(0x0000f0ff,ULL)) << 40) |	\
> 	 (((limit) & _AC(0x000f0000,ULL)) << (48-16)) |	\
> 	 (((base)  & _AC(0x00ffffff,ULL)) << 16) |	\
> -	 (((limit) & _AC(0x0000ffff,ULL))))
> +	 ((limit)  & _AC(0x0000ffff,ULL)))
> 

So NAK.

	-hpa


-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/